Neuro Oncology Glossary

A chromosomal alteration involving loss of chromosome arms 1p and 19q, serving as a key diagnostic and prognostic biomar...

A grade III malignant brain tumor arising from astrocytes, characterized by increased cellularity and mitotic activity c...

A surgical technique where patients remain conscious during tumor resection to preserve neurological function.

A monoclonal antibody targeting VEGF, commonly used in recurrent glioblastoma with specific imaging considerations.

A selective barrier that restricts drug delivery to brain tumors, central to neuro-oncology treatment discussions.

Radiation therapy technique where radioactive sources are placed directly into or near the tumor tissue.

A rare primary brain tumor arising from glial cells within the brainstem structures (midbrain, pons, medulla).

Biodegradable polymer implant containing chemotherapy agent placed directly into the tumor cavity during surgery.

Primary or secondary lymphoma affecting the brain, spinal cord, or cerebrospinal fluid compartments.

Temporary loss of speech following posterior fossa surgery, particularly involving the cerebellar vermis.

Post-operative complication following posterior fossa tumor surgery characterized by loss of speech and other neurologic...

Condition of excessive sodium loss and volume depletion following brain surgery or in patients with intracranial lesions...

Microscopic examination of cerebrospinal fluid for malignant cells, essential for diagnosing leptomeningeal disease in n...

Surgical procedures to redirect cerebrospinal fluid when normal drainage is obstructed by tumor or treatment effects.

A rare benign tumor arising from the choroid plexus epithelium, most commonly occurring in the lateral ventricles of chi...

A minimally invasive neurosurgical technique for accessing intraventricular tumors through the natural choroidal fissure...

Leakage of contrast material from blood vessels into brain tissue, often indicating blood-brain barrier breakdown in are...

A surgical procedure involving division of the corpus callosum, sometimes performed for tumor resection or seizure contr...

Tumor extension into or through the corpus callosum, often indicating aggressive behavior and poor prognosis.

Developmental malformation of cerebral cortex that may be associated with brain tumors or seizures.

A benign tumor arising from embryonic remnants of Rathke's pouch, typically located in the sellar and suprasellar region...

Radiation therapy technique that treats the entire central nervous system pathway from brain to spinal cord.

Surgical procedure aimed at removing as much visible tumor as possible to reduce tumor burden.

Intracellular brain swelling caused by cellular energy failure, often seen with acute tumor-related ischemia or treatmen...